CN108709336A - Heat pump system and air conditioner - Google Patents
Heat pump system and air conditioner Download PDFInfo
- Publication number
- CN108709336A CN108709336A CN201810957765.2A CN201810957765A CN108709336A CN 108709336 A CN108709336 A CN 108709336A CN 201810957765 A CN201810957765 A CN 201810957765A CN 108709336 A CN108709336 A CN 108709336A
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- heat
- pipeline
- accumulation
- interface
- compressor assembly
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- 238000009825 accumulation Methods 0.000 claims abstract description 120
- 239000003507 refrigerant Substances 0.000 claims abstract description 115
- 238000010079 rubber tapping Methods 0.000 claims abstract description 29
- 238000010257 thawing Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims description 37
- 230000001172 regenerating effect Effects 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000930 thermomechanical effect Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention discloses a kind of heat pump system and air conditioner, wherein heat pump system includes：Compressor assembly；Outdoor heat exchange structure；Indoor heat exchange structure；And accumulation of heat control loop；Compressor assembly is sequentially communicated the first outdoor interface, second Room external tapping, the first indoor interface and second Room inner joint to form refrigerant circulation circuit；Accumulation of heat control loop has the first accumulation of heat interface and the second accumulation of heat interface, the first accumulation of heat orifice second Room external tapping and a first indoor interface, compressor assembly and the second Room inner joint described in the second accumulation of heat orifice；For heat pump system in defrosting, refrigerant, through outdoor heat exchange structure and accumulation of heat control loop, and flows back into compressor assembly by compressor assembly；And refrigerant by compressor assembly through indoor heat exchange structure and accumulation of heat control loop, and flow back into compressor assembly.The heat pump system of technical solution of the present invention can also heat interior during defrosting, realize that defrosting function is not shut down in heating.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to the air-conditioning of a kind of heat pump system and the application heat pump system
Device.
Background technology
In a heating mode, refrigerant absorbs heat to heat pump system by outdoor heat exchanger from outside, then through overvoltage
Contracting machine improves pressure and temperature, and the heat of outside, which is discharged to interior, achievees the effect that heating.But in winter, outdoor temperature is got over
Low, refrigerant in outdoor heat exchanger needs the temperature less than outdoor air, this will since it is desired that absorb the heat of outdoor air
Cause outdoor heat exchanger can frosting in a heating mode, need defrosting to ensure that system can safely and effectively be run after frosting.
Existing heat pump system needs to absorb heat from indoor, causes indoor temperature to reduce, indoor unit is not during defrosting
It can normally heat, and when outdoor unit restores heating mode again, need a period of time to switch and start compressor and gradually add
Hot coolant system, to reduce operational energy efficiency.
Invention content
The main object of the present invention is to provide a kind of heat pump system, it is intended to heat pump system be allow to ensure indoor unit just
Often in the case of heating, defrosting is not shut down in realization, improves operational energy efficiency.
To achieve the above object, heat pump system proposed by the present invention, the heat pump system include：
Compressor assembly；
Outdoor heat exchange structure, the outdoor heat exchange structure have the first outdoor interface and second Room external tapping；
Indoor heat exchange structure, the interior heat exchange structure have the first indoor interface and second Room inner joint；
The compressor assembly is sequentially communicated the first outdoor interface, second Room external tapping, the first indoor interface and second
Indoor interface is to form refrigerant circulation circuit；And
Accumulation of heat control loop, the accumulation of heat control loop have the first accumulation of heat interface and the second accumulation of heat interface, described first
Accumulation of heat orifice second Room external tapping and the first indoor interface, compressor assembly and institute described in the second accumulation of heat orifice
State second Room inner joint；
The heat pump system defrosting when, refrigerant by compressor assembly through outdoor heat exchange structure and accumulation of heat control loop, and
Flow back into compressor assembly；And refrigerant by compressor assembly through indoor heat exchange structure and accumulation of heat control loop, and flow back into compression
Thermomechanical components.
Optionally, the accumulation of heat control loop includes sequentially connected regenerative apparatus and accumulation of heat control valve, the accumulation of heat control
Valve processed is located at the side that the accumulation of heat control loop closes on the first accumulation of heat interface, controls the regenerative apparatus and is stored by first
Hot interface is connected to the second Room external tapping and the first indoor interface.
Optionally, the heat pump system includes the first pipeline, the second pipeline and third pipeline；
One end of first pipeline is connected to the second Room external tapping, the described first indoor interface of other end connection, institute
The first accumulation of heat orifice is stated in first pipeline, and positioned at the second Room external tapping and the first indoor interface it
Between；
One end of second pipeline is connected to the compressor assembly, and the other end is connected to the second Room inner joint, described
Second pipeline described in second accumulation of heat orifice, and between the compressor assembly and second Room inner joint；
One end of the third pipeline is connected to the compressor assembly, and the other end is connected to the second Room inner joint；
In defrosting, refrigerant is controlled by compressor assembly through outdoor heat exchange structure, the first pipeline, accumulation of heat the heat pump system
Circuit and the second pipeline flow back into compressor assembly；And refrigerant by compressor assembly through third pipeline, indoor heat exchange structure, first
Pipeline, accumulation of heat control loop and the second pipeline flow back into compressor assembly.
Optionally, the compressor assembly includes：
Compressor, the compressor have exhaust outlet and liquid return hole；
First four-way valve, first four-way valve are respectively communicated with the exhaust outlet, the first outdoor interface, the second pipeline and institute
Liquid return hole is stated, and controls the described first outdoor interface of the exhaust outlet connection, and liquid return hole described in second pipeline connection；Or
It controls the exhaust outlet and is connected to second pipeline, and liquid return hole described in the described first outdoor orifice；And
Second four-way valve, second four-way valve is respectively communicated with the exhaust outlet, third pipeline and the liquid return hole, and controls
It makes the exhaust outlet and is connected to the third pipeline, or the control liquid return hole is connected to the third pipeline.
Optionally, the indoor heat exchange structure includes heat-exchanging component in the first indoor heat-exchanging component and second Room；
Second piping connection is in one end of the described first indoor heat-exchanging component；
The third piping connection is in one end of heat-exchanging component in the second Room；
The other end of heat-exchanging component is all connected to first pipeline in described first indoor heat-exchanging component and second Room.
Optionally, the refrigerant pipeline further includes the 4th pipeline, the second pipeline and third described in the 4th piping connection
Pipeline, and the 4th pipeline in the connecting pin of second pipeline be located at the second accumulation of heat interface and second Room inner joint it
Between；
4th pipeline is equipped with the first control valve.
Optionally, the first check valve, first check valve and first control valve are additionally provided on the 4th pipeline
Parallel connection, and along the second pipeline to third pipeline direction one-way conduction.
Optionally, the second control valve is additionally provided on second pipeline, the 4th control valve is located at second accumulation of heat
Between interface and the connecting pin of the 4th pipeline.
Optionally, second pipeline is additionally provided with the second check valve, and second check valve and the 4th control valve are simultaneously
Connection is arranged, and the connection extreme direction one-way conduction of the 4th pipeline is interfaced to along the second accumulation of heat.
The present invention also proposes that a kind of air conditioner, the conditioner include heat pump system；
The heat pump system includes：
Compressor assembly；
Outdoor heat exchange structure, the outdoor heat exchange structure have the first outdoor interface and second Room external tapping；
Indoor heat exchange structure, the interior heat exchange structure have the first indoor interface and second Room inner joint；
The compressor assembly is sequentially communicated the first outdoor interface, second Room external tapping, the first indoor interface and second
Indoor interface is to form refrigerant circulation circuit；And
Accumulation of heat control loop, the accumulation of heat control loop have the first accumulation of heat interface and the second accumulation of heat interface, described first
Accumulation of heat orifice second Room external tapping and the first indoor interface, compressor assembly and institute described in the second accumulation of heat orifice
State second Room inner joint；
The heat pump system defrosting when, refrigerant by compressor assembly through outdoor heat exchange structure and accumulation of heat control loop, and
Flow back into compressor assembly；And refrigerant by compressor assembly through indoor heat exchange structure and accumulation of heat control loop, and flow back into compression
Thermomechanical components.
When the heat pump system of technical solution of the present invention is defrosted, refrigerant be discharged by compressor assembly after respectively through at least two
Refrigerant circulation circuit is back to compressor assembly, and at least two refrigerant circulation circuits are respectively for this：Refrigerant by compressor assembly successively
It is back to compressor assembly through indoor heat exchange structure and accumulation of heat control loop；Refrigerant is by compressor assembly successively through outdoor heat exchange knot
Structure and accumulation of heat control loop are back to compressor assembly.In above-mentioned two refrigerant circulation circuits, refrigerant is flowed through by compressor assembly
Indoor heat exchange structure, and the heat release at indoor heat exchange structure, to heat up to indoor environment, refrigerant further flows through accumulation of heat
Control loop, and absorb heat in the accumulation of heat control loop, then it is back to compressor assembly；At the same time, refrigerant is by compressor
Component flows through outdoor heat exchange structure, and the heat release at outdoor heat exchange structure, defrosts so as to exchange heat structure, refrigerant into
One step flows through accumulation of heat control loop, and absorbs heat in the accumulation of heat control loop, is then back to compressor assembly.The accumulation of heat controls
Circuit has the function of accumulation of heat and heat exchanger, so that the heat pump system can also defrost while heating, improves system
System operational energy efficiency and heating comfort level.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of heat pump system of the present invention；
Fig. 2 is the flow circuit diagram of heat pump system defrosting process in Fig. 1；
Fig. 3 flows to schematic diagram for refrigeration mode refrigerant in the structure of one embodiment of heat pump system of the present invention；
Fig. 4 flows to schematic diagram for heating mode refrigerant in the structure of one embodiment of heat pump system of the present invention；
Fig. 5 flows to schematic diagram for defrosting mode refrigerant in the structure of one embodiment of heat pump system of the present invention.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
Referring to Fig. 1, the present invention proposes a kind of heat pump system 100.
In the embodiment of the present invention, heat pump system 100 includes：
Compressor assembly 11；
Outdoor heat exchange structure 13, outdoor heat exchange structure 13 have the first outdoor interface 131 and second Room external tapping 133；
Indoor heat exchange structure 31, indoor heat exchange structure 31 have the first indoor interface 311 and second Room inner joint 313；
Compressor assembly 11 be sequentially communicated the indoor interface of the first outdoor interface 131, second Room external tapping 133, first 311 with
And second Room inner joint 313 is to form refrigerant circulation circuit；And
Accumulation of heat control loop 20, accumulation of heat control loop 20 have the first accumulation of heat interface 21 and the second accumulation of heat interface 23, first
Accumulation of heat interface 21 is connected to second Room external tapping 133 and the first indoor interface 311, and the second accumulation of heat interface 23 is connected to compressor assembly 11
With second Room inner joint 313；
For heat pump system 100 in defrosting, refrigerant is by compressor assembly 11 through outdoor heat exchange structure 13 and accumulation of heat control loop
20, and flow back into compressor assembly 11；And refrigerant by compressor assembly 11 through indoor heat exchange structure 31 and accumulation of heat control loop 20,
And flow back into compressor assembly 11.
For the heat pump system 100 in normal refrigeration, refrigerant is by compressor assembly 11 successively through outdoor heat exchange structure 13 and room
Interior heat exchange structure 31, and be back to compressor assembly 11, should during, refrigerant is in 13 heat release of outdoor heat exchange structure, and in interior
It absorbs heat at heat exchange structure 31, to cool down to indoor environment.
For the heat pump system 100 in normal heating, refrigerant is by compressor assembly 11 successively through indoor heat exchange structure 31 and room
Outer heat exchange structure 13, and it is back to compressor assembly 11, the process is with upper process of refrigerastion on the contrary, refrigerant is in indoor heat exchange structure 31
Heat release, and absorb heat at outdoor heat exchange structure 13, to heat up to indoor environment.
Referring to Fig. 2, when controlling the heat pump system 100 and being defrosted, refrigerant passes through respectively after being discharged by compressor assembly 11
At least two refrigerant circulation circuits are back to compressor assembly 11, and at least two refrigerant circulation circuits are respectively for this：Refrigerant is by compressor
Component 11 is back to compressor assembly 11 through indoor heat exchange structure 31 and accumulation of heat control loop 20 successively；Refrigerant is by compressor assembly
11 are back to compressor assembly 11 through outdoor heat exchange structure 13 and accumulation of heat control loop 20 successively.Above-mentioned two refrigerant circulation circuits
In, refrigerant flows through indoor heat exchange structure 31, and the heat release at indoor heat exchange structure 31 by compressor assembly 11, to indoor ring
Border is heated up, and refrigerant further flows through accumulation of heat control loop 20, and absorbs heat in the accumulation of heat control loop 20, is then back to
Compressor assembly 11；At the same time, refrigerant flows through outdoor heat exchange structure 13 by compressor assembly 11, and in outdoor heat exchange structure 31
Locate heat release, so as to defrost to outdoor heat exchange structure 31, refrigerant further flows through accumulation of heat control loop 20, and in the storage
It absorbs heat in thermal control circuit 20, is then back to compressor assembly 11.The accumulation of heat control loop 20 has accumulation of heat and heat exchanger
Effect improves system operation efficiency and heating is comfortable so that the heat pump system 100 can also defrost while heating
Degree.
With further reference to Fig. 1, accumulation of heat control loop 20 includes sequentially connected regenerative apparatus 25 and accumulation of heat control valve 27, is stored
Heat control valve (HCV) 27 is located at the side that accumulation of heat control loop 20 closes on the first accumulation of heat interface 21, and control regenerative apparatus 25 is stored by first
Hot interface 21 is connected to second Room external tapping 133 and the first indoor interface 311.
Heat pump system 100 in technical solution of the present invention controls the accumulation of heat control valve 27 and is stored first when being heated
Hot interface 21 is connected to regenerative apparatus 25, and part refrigerant flows into indoor heat exchange by compressor assembly 11 through second Room inner joint 313
Structure 31, another part refrigerant flow into regenerative apparatus 25, indoor heat exchange structure by compressor assembly 11 through the second accumulation of heat interface 23
31 refrigerants flowed out with regenerative apparatus 25 converge at the first accumulation of heat interface 21, and outdoor heat exchange is flowed into through second Room external tapping 133
Structure 13 is then back to compressor assembly 11.When control heat pump system 100 is defrosted, the accumulation of heat control valve 27 is controlled
First accumulation of heat interface 21 is connected with regenerative apparatus 25 so that refrigerant by compressor assembly 11 after indoor heat exchange structure 31
Regenerative apparatus 25 can be entered by the first accumulation of heat interface 21, and heat exchange, the process are carried out with the refrigerant stored in regenerative apparatus 25
The refrigerant temperature stored in middle regenerative apparatus 25 is higher, and enters the refrigerant temperature in regenerative apparatus 25 via indoor heat exchange structure 31
Spend relatively low, the refrigerant entered in regenerative apparatus 25 via indoor heat exchange structure 31 absorbs heat at regenerative apparatus 25, and further returns
It flow to compressor assembly 11, cycle heating；Meanwhile refrigerant also can be by first after outdoor heat exchange structure 13 by compressor assembly 11
Accumulation of heat interface 21 enters regenerative apparatus 25, and carries out heat exchange with the refrigerant stored in regenerative apparatus 25, accumulation of heat dress during being somebody's turn to do
Set that the refrigerant temperature stored in 25 is higher, and it is relatively low to enter the refrigerant temperature in regenerative apparatus 25 via outdoor heat exchange structure 13,
The refrigerant entered in regenerative apparatus 25 via outdoor heat exchange structure 13 absorbs heat at regenerative apparatus 25, and is further back to compression
Thermomechanical components 11, circulating defrosting.
It is to be appreciated that the heat of the refrigerant stored in regenerative apparatus 25 can heated by the heat pump system 100
Cycle obtains in journey, the refrigerant in the regenerative apparatus can also be transferred heat to by external other modes, so that accumulation of heat
Refrigerant thermal energy in device 25 is higher, to provide the heat-exchange power during defrosting.
With further reference to Fig. 1, heat pump system 100 includes refrigerant pipeline 50, and the refrigerant pipeline 50 is for being connected to heat pump system
100 each component, to form coolant loop.The refrigerant pipeline 50 includes the first pipeline 51, the second pipeline 52 and third pipeline 53；
One end connection second Room external tapping 133 of first pipeline 51, the first indoor interface 311 of other end connection, first stores
Hot interface 21 is communicated in the first pipeline 51, and between second Room external tapping 133 and the first indoor interface 311；
One end of second pipeline 52 is connected to compressor assembly 11, and the other end is connected to second Room inner joint 313, and the second accumulation of heat connects
Mouth 23 is connected to the second pipelines 52, and between compressor assembly 11 and second Room inner joint 313；
One end of third pipeline 53 is connected to compressor assembly 11, and the other end is connected to second Room inner joint 313；
For heat pump system 100 in defrosting, refrigerant is by compressor assembly 11 through outdoor heat exchange structure 13, the first pipeline 51, storage
Thermal control circuit 20 and the second pipeline 52 flow back into compressor assembly 11；And refrigerant by compressor assembly 11 through third pipeline 53,
Indoor heat exchange structure 31, the first pipeline 51, accumulation of heat control loop 20 and the second pipeline 52 flow back into compressor assembly 11.
Referring to Fig. 2, for heat pump system 100 in defrosting, refrigerant is by compressor assembly 11 successively through room in the embodiment of the present invention
Outer heat exchange structure 13, the first pipeline 51, accumulation of heat control valve 27, regenerative apparatus 25 and the second pipeline 52 flow back into compressor assembly
11, it defrosts；And refrigerant by compressor assembly 11 through third pipeline 53, indoor heat exchange structure 31, the first pipeline 51, accumulation of heat control
Valve 27, regenerative apparatus 25 and the second pipeline 52 processed flow back into compressor assembly 11, are heated.In the embodiment, the second pipeline
The part of 52 the second accumulation of heat interface 23 to compressor assemblies 11 of connection has both the circuit of the refrigerant return of two refrigerant circulation circuits.
It is to be appreciated that refrigerant pipeline 50 can also include more pipelines, so that above-mentioned refrigerant circulation circuit has
A variety of different realization methods.
Further, referring to Fig. 3, compressor assembly 11 includes：
Compressor 111, compressor 111 have exhaust outlet 1111 and liquid return hole 1113；
First four-way valve 113, the first four-way valve 113 are respectively communicated with the outdoor interface 131, second of exhaust outlet 1111, first and manage
Road 52 and liquid return hole 1113, and first outdoor interface 131 of the connection of exhaust outlet 1111 is controlled, and the second pipeline 52 is connected to liquid return hole
1113；Or control exhaust outlet 1111 is connected to the second pipeline 52, and the first outdoor interface 131 is connected to liquid return hole 1113；And
Second four-way valve 115, the second four-way valve 115 are respectively communicated with exhaust outlet 1111, third pipeline 53 and liquid return hole 1113,
And control exhaust outlet 1111 and be connected to third pipeline 53, or control liquid return hole 1113 is connected to third pipeline 53.
Referring to Fig. 3, the heat pump system 100 is in refrigeration, the first four-way valve 113 of control connection exhaust outlet 1111 and the first Room
External tapping 131, and it is connected to the second pipeline 52 and liquid return hole 1113, while controlling the second four-way valve 115 and being connected to 1113 He of liquid return hole
Third pipeline 53.It controls accumulation of heat control valve 27 to close, i.e., cannot be connected between the first accumulation of heat interface 21 and regenerative apparatus 25.Compression
The high pressure gaseous refrigerant that machine 111 is discharged through exhaust outlet 1111 enters outdoor heat exchange structure 13, warp by the first outdoor interface 131
Outdoor heat exchange structure 13 is condensed into high-pressure liquid refrigerant, successively second Room external tapping 133, the first pipeline 51 and the first indoor interface
311 get in heat exchange structure 31, and refrigerant is evaporated to low-pressure gaseous refrigerant in heat exchange structure 31 indoors, through second Room inner joint
313 and second pipeline 52 be back to the liquid return hole 1113 of compressor 111；Refrigerant after the heat exchange of indoor heat exchange structure 31 can be with
The liquid return hole 1113 of compressor 111 is back to through third pipeline 52.Further, which can be connection the
Three pipelines 53 and the second pipeline 52, the refrigerant to flow back through third pipeline 53 are directly back to compressor 111 through the second pipeline 52
Liquid return hole 1113.
Referring to Fig. 4, the heat pump system 100 in heating, manage by control the first four-way valve 113 connection exhaust outlet 1111 and second
Road 52, and control the first outdoor interface 131 and be connected to liquid return hole 1113, while controlling the second four-way valve 115 and being connected to exhaust outlet 1111
With third pipeline 53.It controls accumulation of heat control valve 27 to open, i.e., is connected between the first accumulation of heat interface 21 and regenerative apparatus 25.Compressor
111 high-pressure gaseous refrigerants being discharged through exhaust outlet 1111 flow to regenerative apparatus through 52 the second accumulation of heat of part interface 23 of the second pipeline
25, heat exchange structure 31 partly is got in through second Room inner joint 313, refrigerant is condensed into high-pressure liquid through indoor heat exchange structure 31
The high-pressure liquid refrigerant that refrigerant is flowed out with regenerative apparatus 25 converges at the first accumulation of heat interface 21, is flowed through second Room external tapping 133
Enter outdoor heat exchange structure 13, low-pressure gaseous refrigerant is evaporated in outdoor heat exchange structure 13, is back to compressor 111.
Referring to Fig. 5, the heat pump system 100 is in heating, the first four-way valve 113 of control connection exhaust outlet 1111 and the first Room
External tapping 131, and it is connected to the second pipeline 52 and liquid return hole 1113, while controlling the second four-way valve 115 and being connected to 1111 He of exhaust outlet
Third pipeline 53.It controls accumulation of heat control valve 27 to open, i.e., is connected between the first accumulation of heat interface 21 and regenerative apparatus 25.Compressor
The 111 high pressure gaseous refrigerants being discharged through exhaust outlet 1111 enter outdoor heat exchange structure 13 by the first outdoor interface 131, through room
Outer heat exchange structure 13 is condensed into high-pressure liquid refrigerant, successively second Room external tapping 133, the first pipeline 51 and the first accumulation of heat interface 21
Into regenerative apparatus 25；And the high pressure gaseous refrigerant that compressor 111 is discharged through exhaust outlet 1111 is entered by third pipeline 53
Indoor heat exchange structure 13 is condensed into high-pressure liquid refrigerant through indoor heat exchange structure 13, and the first outdoor interface 131, first is managed successively
Road 51 and the first accumulation of heat interface 21 enter regenerative apparatus 25；Refrigerant is evaporated to low-pressure gaseous refrigerant in regenerative apparatus 25, through
Two accumulation of heat interfaces 23 and the second pipeline 52 are back to the liquid return hole 1113 of compressor 111.
In technical solution of the present invention, indoor heat exchange structure 31 includes heat exchange in the first indoor heat-exchanging component 315 and second Room
Component 317；
Second pipeline 52 is connected to one end of the first indoor heat-exchanging component 315；
Third pipeline 53 is connected to one end of heat-exchanging component 317 in second Room；
The other end of heat-exchanging component 317 is all connected to the first pipeline in first indoor heat-exchanging component 315 and second Room.
In process of refrigerastion, refrigerant is respectively enterd in the first indoor heat-exchanging component 315 and second Room by the first pipeline 51 and is exchanged heat
Component 317, the refrigerant flowed out by heat-exchanging component 317 in the first indoor heat-exchanging component 315 and second Room is respectively by the second pipeline 52
It is back to compressor 111 with third pipeline 53；In heating operations, after refrigerant is discharged by compressor 111, respectively by the second pipeline 52
Heat-exchanging component 317 in the first indoor heat-exchanging component 315 and second Room is flowed into third pipeline 53, then the first indoor heat-exchanging component
315 and second Room in the refrigerant that flows out of heat-exchanging component 317 converge at the first pipeline 51, and be back to compressor along the first pipeline 51
111；During defrosting, part refrigerant at least can flow into heat exchange group in second Room after being discharged by compressor 111 along third pipeline 53
In part 317, and it is back to compressor 111 along the first pipeline 51, accumulation of heat control loop 20 and the second pipeline 52, until being less than second Room
Interior where interior heat-exchanging component 317 is heated；Part refrigerant flows into outdoor heat exchange structure 13 after being discharged by compressor 111,
It is back to compressor 111 along the first pipeline 51, accumulation of heat control loop 20 and the second pipeline 52, carries out defrost.
Heat-exchanging component 317 may each comprise an indoor heat exchanger or multiple in first indoor heat-exchanging component 315 and second Room
Indoor heat exchanger, when the first indoor heat-exchanging component 315 includes multiple indoor heat exchangers, multiple indoor heat exchanger is in parallel company
It connects；When heat-exchanging component 317 includes multiple indoor heat exchangers in second Room, multiple indoor heat exchanger is in parallel connection.So that
Obtaining the heat pump system 100 can supply multiple indoor heat exchangers to work simultaneously, with what different interior space offers was freezed or heated
Demand.That is, the heat pump system 100, which can be applied to machine in two pipes system, can also be applied to machine in three control.
Outdoor heat exchange structure 13 includes an at least outdoor heat exchanger, or multiple outdoor heat exchangers.
With further reference to Fig. 1, refrigerant pipeline further includes the 4th pipeline 54, and the 4th pipeline 54 connects the second pipeline 52 and third
Pipeline 53, and the 4th pipeline 54 in the connecting pin of the second pipeline 52 be located at the second accumulation of heat interface 23 and second Room inner joint 313 it
Between；
4th pipeline 54 is equipped with the first control valve 541.
4th pipeline 54 is turned on and off by controlling the first control valve 541, to control third pipeline 53 and the
Whether conducting between two pipelines 52.
In technical solution of the present invention, the first control valve 541 of control is opened during defrosting, makes the 4th pipeline 54 connection the
Two pipelines 52 and third pipeline 53.Refrigerant along third pipeline 53 after the outflow of compressor 111 by entering the first indoor heat-exchanging component 315
During, also part refrigerant enters heat-exchanging component 317 in second Room along the 4th pipeline 54 through the second pipeline of part 52, can
So that heat-exchanging component 317 can carry out normally heating work in the first indoor heat-exchanging component 315 and second Room.So that the heat
The utilization rate of pumping system 100 reaches highest.
Further, the first check valve 543, the first check valve 543 and the first control valve 541 are additionally provided on the 4th pipeline 54
Parallel connection, and along the second pipeline 52 to 53 direction one-way conduction of third pipeline.
The considerations of for flow control, is provided with first check valve 543, can reduce the bore of the first control valve 541
Selection.First control valve 541 can be solenoid valve, be not only simple in structure, be easy for installation, and is at low cost, safe to use.
Further, the second control valve 521 is additionally provided on the second pipeline 52, the second control valve 521 is located at the second accumulation of heat and connects
Between mouth 23 and the connecting pin of the 4th pipeline 54.Second control valve 521 is used to control the break-make of the second pipeline 52, specifically can be with
For solenoid valve.
Further, the second pipeline 52 is additionally provided with the second check valve 523, and the second check valve 523 and the second control valve 521 are simultaneously
Connection setting, and along the connection extreme direction one-way conduction of 23 to the 4th pipeline 54 of the second accumulation of heat interface.Second check valve 523 is set
The bore selection of the second control valve 521 can be reduced by setting.
The heat pump system 100 is additionally provided with multiple throttle valves, specifically, each indoor heat exchanger and each outdoor heat exchanger
It is equipped with a throttle valve, to throttle into or out refrigerant.
The heat pump system 100 has refrigeration mode, heating mode and defrosting mode, can be achieved at the same time under the defrosting mode
Heating may also be referred to as not shutting down defrost pattern for heating.According to the different conditions of refrigerant, the first pipeline, the second pipeline and
Three pipelines are respectively high-pressure liquid tube, low-pressure air pipe and high-pressure air pipe.
When the heat pump system 100 enters refrigeration mode, the second control valve 521 of control is opened, accumulation of heat control valve 27 and first
Control valve 541 is closed, and the high pressure gaseous refrigerant that compressor 111 is discharged is condensed into high-pressure liquid refrigerant through outdoor heat exchanger,
Through high-pressure liquid tube, low-pressure gaseous refrigerant is evaporated in heat exchanger indoors, compression is returned to through the second control valve 521 and low-pressure air pipe
Machine 111.
When the heat pump system 100 enters heating mode, control accumulation of heat control valve 27 is opened, the first control valve 541 and second
Control valve 521 is closed, and the high-pressure gaseous refrigerant that compressor 111 is discharged partly flows to the condensation of regenerative apparatus 25, portion through low-pressure air pipe
The second check valve of lease making 523 is sent to indoor heat exchanger, the height of the high-pressure liquid refrigerant and the outflow of regenerative apparatus 25 of indoor heat exchanger
After pressure liquid refrigerants converges, the throttle valve throttling through outdoor heat exchanger, and low-pressure gaseous refrigerant is evaporated in outdoor heat exchanger,
Return to compressor.
When the heat pump system 100 does not shut down defrost pattern into heating, accumulation of heat control valve 27 and the first control valve 541 are controlled
It opens, the second control valve 521 is closed.The high-pressure gaseous refrigerant part that compressor 111 is discharged is controlled through high-pressure air pipe and first
Valve 541 sends to indoor heat exchanger condensation heat release, and another part flows to outdoor heat exchanger, for melting the frost on outdoor heat exchanger
Layer.Indoor heat exchanger and the liquid refrigerants of outdoor heat exchanger outflow are inhaled after the throttling of accumulation of heat control valve 27 in regenerative apparatus 25
Heat of vaporization is received, and compressor 111 is returned to by low-pressure air pipe.
The present invention also proposes a kind of air conditioner, which includes heat pump system 100, the concrete structure ginseng of the heat pump system
According to above-described embodiment, since the control method of this heat pump system uses whole technical solutions of above-mentioned all embodiments,
At least all advantageous effects caused by the technical solution with above-described embodiment, this is no longer going to repeat them.
Air conditioner includes outdoor unit 10 and indoor unit 30, and outdoor unit 10 includes being installed on outdoor compressor assembly 11 and room
Outer heat exchange structure 13, indoor unit 30 include being installed on indoor indoor heat exchange structure 31, which further includes not shutting down defrost
Device, stop defrosting device is not the accumulation of heat control loop 20 being installed on refrigerant pipeline 50, the first control valve 541 and second for this
Control valve 521 and the first check valve 543 and the second check valve 523.By adding not stop defrosting device so that air conditioner
It can realize the function of not shutting down defrosting, and indoor environment can be heated simultaneously during defrosting, improve system fortune
Row efficiency and heating comfort level.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (10)
1. a kind of heat pump system, it is characterised in that：The heat pump system includes：
Compressor assembly；
Outdoor heat exchange structure, the outdoor heat exchange structure have the first outdoor interface and second Room external tapping；
Indoor heat exchange structure, the interior heat exchange structure have the first indoor interface and second Room inner joint；
The compressor assembly is sequentially communicated in the first outdoor interface, second Room external tapping, the first indoor interface and second Room
Interface is to form refrigerant circulation circuit；And
Accumulation of heat control loop, the accumulation of heat control loop have the first accumulation of heat interface and the second accumulation of heat interface, first accumulation of heat
Orifice second Room external tapping and the first indoor interface, compressor assembly described in the second accumulation of heat orifice and described the
Two indoor interfaces；
In defrosting, refrigerant, through outdoor heat exchange structure and accumulation of heat control loop, and is flowed back to the heat pump system by compressor assembly
To compressor assembly；And refrigerant by compressor assembly through indoor heat exchange structure and accumulation of heat control loop, and flow back into compressor set
Part.
2. heat pump system as described in claim 1, which is characterized in that the accumulation of heat control loop includes sequentially connected accumulation of heat
Device and accumulation of heat control valve, the accumulation of heat control valve are located at the accumulation of heat control loop and close on the one of the first accumulation of heat interface
Side controls the regenerative apparatus and passes through second Room external tapping described in the first accumulation of heat orifice and the first indoor interface.
3. heat pump system as claimed in claim 1 or 2, which is characterized in that the heat pump system includes the first pipeline, the second pipe
Road and third pipeline；
One end of first pipeline is connected to the second Room external tapping, the described first indoor interface of other end connection, and described the
One accumulation of heat orifice is located in first pipeline between the second Room external tapping and the first indoor interface；
One end connection compressor assembly of second pipeline, the other end connection second Room inner joint, described second
Second pipeline described in accumulation of heat orifice, and between the compressor assembly and second Room inner joint；
One end of the third pipeline is connected to the compressor assembly, and the other end is connected to the second Room inner joint；
For the heat pump system in defrosting, refrigerant is by compressor assembly through outdoor heat exchange structure, the first pipeline, accumulation of heat control loop
Compressor assembly is flow back into the second pipeline；And refrigerant is managed by compressor assembly through third pipeline, indoor heat exchange structure, first
Road, accumulation of heat control loop and the second pipeline flow back into compressor assembly.
4. heat pump system as claimed in claim 3, which is characterized in that the compressor assembly includes：
Compressor, the compressor have exhaust outlet and liquid return hole；
First four-way valve, first four-way valve are respectively communicated with the exhaust outlet, the first outdoor interface, the second pipeline and described time
Liquid mouth, and the described first outdoor interface of the exhaust outlet connection is controlled, and liquid return hole described in second pipeline connection；Or control
The exhaust outlet is connected to second pipeline, and liquid return hole described in the described first outdoor orifice；And
Second four-way valve, second four-way valve is respectively communicated with the exhaust outlet, third pipeline and the liquid return hole, and controls institute
It states exhaust outlet and is connected to the third pipeline, or the control liquid return hole is connected to the third pipeline.
5. heat pump system as claimed in claim 3, which is characterized in that the interior heat exchange structure includes the first indoor heat exchange group
Heat-exchanging component in part and second Room；
Second piping connection is in one end of the described first indoor heat-exchanging component；
The third piping connection is in one end of heat-exchanging component in the second Room；
The other end of heat-exchanging component is all connected to first pipeline in described first indoor heat-exchanging component and second Room.
6. heat pump system as claimed in claim 5, which is characterized in that the refrigerant pipeline further includes the 4th pipeline, and described
Second pipeline and third pipeline described in four piping connections, and the 4th pipeline be located in the connecting pin of second pipeline it is described
Between second accumulation of heat interface and second Room inner joint；
4th pipeline is equipped with the first control valve.
7. heat pump system as claimed in claim 6, which is characterized in that be additionally provided with the first check valve on the 4th pipeline, institute
It is in parallel with first control valve to state the first check valve, and along the second pipeline to third pipeline direction one-way conduction.
8. heat pump system as claimed in claim 6, which is characterized in that be additionally provided with the second control valve, institute on second pipeline
The 4th control valve is stated between the second accumulation of heat interface and the connecting pin of the 4th pipeline.
9. heat pump system as claimed in claim 8, which is characterized in that second pipeline is additionally provided with the second check valve, described
Second check valve is arranged in parallel with the 4th control valve, and the connection extreme direction for being interfaced to along the second accumulation of heat the 4th pipeline is unidirectional
Conducting.
10. a kind of air conditioner, which is characterized in that the conditioner includes as described in any one of claim 1 to 9
Heat pump system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957765.2A CN108709336B (en) | 2018-08-21 | 2018-08-21 | Heat pump system and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957765.2A CN108709336B (en) | 2018-08-21 | 2018-08-21 | Heat pump system and air conditioner |
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| CN108709336A true CN108709336A (en) | 2018-10-26 |
| CN108709336B CN108709336B (en) | 2024-03-08 |
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| CN201810957765.2A Active CN108709336B (en) | 2018-08-21 | 2018-08-21 | Heat pump system and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307680A (en) * | 2019-05-31 | 2019-10-08 | 广东美的制冷设备有限公司 | Progress control method, control device, air conditioner and computer readable storage medium |
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| CN104101127A (en) * | 2013-04-01 | 2014-10-15 | 珠海格力电器股份有限公司 | VRV (Varied Refrigerant Volume) air conditioning system and VRV air conditioning defrosting control method |
| CN203964489U (en) * | 2014-07-01 | 2014-11-26 | 珠海格力电器股份有限公司 | Air conditioner heat pump system |
| CN108224840A (en) * | 2018-01-25 | 2018-06-29 | 珠海格力电器股份有限公司 | A kind of heat pump air conditioning system and control method |
| CN209042809U (en) * | 2018-08-21 | 2019-06-28 | 广东美的暖通设备有限公司 | Heat pump system and air conditioner |
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| CN104101127A (en) * | 2013-04-01 | 2014-10-15 | 珠海格力电器股份有限公司 | VRV (Varied Refrigerant Volume) air conditioning system and VRV air conditioning defrosting control method |
| CN203964489U (en) * | 2014-07-01 | 2014-11-26 | 珠海格力电器股份有限公司 | Air conditioner heat pump system |
| CN108224840A (en) * | 2018-01-25 | 2018-06-29 | 珠海格力电器股份有限公司 | A kind of heat pump air conditioning system and control method |
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| CN110307680A (en) * | 2019-05-31 | 2019-10-08 | 广东美的制冷设备有限公司 | Progress control method, control device, air conditioner and computer readable storage medium |
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| CN108709336B (en) | 2024-03-08 |
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